Once you have secured the shader files, follow these steps to install and activate them: 1. Install ReShade
The most famous RTGI shader was created by graphics developer Pascal Gilcher (McFly). While his groundbreaking screen-space ray tracing shader (known as "Marty McFly’s RTGI") was historically locked behind a paid Patreon subscription during its early beta phases, older or open-source iterations can often be found legally through community preservation projects. rtgi shader free download free
It works on any GPU that supports ReShade, meaning you do not need an RTX card to experience ray-traced lighting. Once you have secured the shader files, follow
Ray-Traced Global Illumination (RTGI) transforms video game visuals by simulating how light naturally bounces off surfaces. While premium shaders like Pascal Gilcher’s Reshade RTGI (McFly RTGI) historically required a Patreon subscription, the shader community now offers incredible free alternatives. It works on any GPU that supports ReShade,
Within the official Reshade installer, there is a tab called "Effect Packages." By default, it includes – a clever fake GI that looks stunning. This is a 100% legal, free download built directly into the tool.
Check the box for your game's resolution under the generic depth plug-in.
Search for and enable . If the screen shows a proper greyscale depth map, RTGI will work.